Airworthiness Directive · Amendment 39-17182 · Flight controls
PIAGGIO AERO INDUSTRIES S.p.A Airplanes
This AD applies to PIAGGIO AERO INDUSTRIES S.p.A Model P-180 airplanes, serial numbers (S/Ns) 1002 and 1004 through 1223, certificated in any category.
We are adopting a new airworthiness directive (AD) for Piaggio Aero Industries S.p.A. Model P-180 Airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as jamming of the external bearing of the screwjack drive gear, which resulted in failure of the main wing outboard flap external actuator. We are issuing this AD to require actions to address the unsafe condition on these products.
Unless already done, before October 22, 2012 (the effective date of this AD), following the Accomplishment Instructions of Piaggio Aero Industries S.p.A. Mandatory Service Bulletin No. 80-0318, revision 2, dated March 28, 2012, do the following actions:
(1) For S/Ns 1002 and 1004 through 1135:
(i) For aircraft with less than 1,500 hours total time-in-service (TIS) at the effective date of this AD: Within 1,500 hours TIS after October 22, 2012 (the effective date of this AD) or within 12 calendar months after October 22, 2012 (the effective date of this AD), whichever occurs first, install covering cages on both left and right wing outboard flap external screwjacks. Follow the Accomplishment Instructions of Piaggio Aero Industries S.p.A. Mandatory Service Bulletin No. 80-0318, revision 2, dated March 28, 2012.
(ii) For aircraft with 1,500 hours total TIS or more but less than 2,800 hours total TIS at October 22, 2012 (the effective date of this AD): Upon or before reaching a total of 3,000 hours TIS after October 22, 2012 (the effective date of this AD) or within 12 calendar months after October 22, 2012 (the effective date of this AD), whichever occurs first, install covering cages on both left and right wing outboard flap external screwjacks. Follow the Accomplishment Instructions of Piaggio Aero Industries S.p.A. Mandatory Service Bulletin No. 80-0318, revision 2, dated March 28, 2012.
(iii) For aircraft with 2,800 hours total TIS or more at October 22, 2012 (the effective date of this AD): Within 200 hours TIS after October 22, 2012 (the effective date of this AD) or within 12 calendar months after October 22, 2012 (the effective date of this AD), whichever occurs first, install covering cages on both left and right wing outboard flap external screwjacks. Follow the Accomplishment Instructions of Piaggio Aero Industries S.p.A. Mandatory Service Bulletin No. 80-0318, revision 2, dated March 28, 2012.
(2) For S/Ns 1136 through 1223 (inclusive): Within 1,500 hours TIS after October 22, 2012 (the effective date of this AD) or within 12 calendar months after October 22, 2012 (the effective date of this AD), whichever occurs first, install covering cages on both left and right wing outboard flap external screwjacks. Follow the Accomplishment Instructions of Piaggio Aero Industries S.p.A. Mandatory Service Bulletin No. 80-0318, revision 2, dated March 28, 2012.
Note to paragraph (f) of this AD: S/Ns 1224 and subsequent have covering cages on both left and right wing outboard flap external screwjacks installed during production.
This AD provides credit for the actions required in this AD if already done before October 22, 2012 (the effective date of this AD) following Service Bulletin No. 80-0318, dated October 24, 2011; Service Bulletin No. 80-0318, revision 1, dated February 3, 2012; and Service Bulletin No. 80-0318, revision 2, dated March 28, 2012.
